Answer: The correct option is (C)

Step-by-step explanation: The given function is

We are to find the value of f(4).
To find the value of f(4), we need to substitute the value of x as 4 in the given definition of function f(x).
Substituting x = 4 in f(x), we have

Therefore, the value of f(4) is

Option (C) is correct.